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Bat wings (Posted on 2005-06-08) Difficulty: 3 of 5

In the picture all of the red segments are of equal length and all of their endpoints lie on one of the two blue lines. Determine all possible values for the smaller angle between the blue lines.

(This problem is a special case of a problem discovered by Daniel Shapiro, professor of mathematics at Ohio State University. His problem generalizes a problem he saw years ago.)

See The Solution Submitted by McWorter    
Rating: 4.3333 (3 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: FootnoteMcWorter2005-06-13 22:34:43
Some ThoughtsFootnoteCharley2005-06-13 08:39:58
re: SolutionCarl2005-06-10 23:24:29
SolutionCarl2005-06-10 23:11:47
just thinking...pcbouhid2005-06-10 17:02:50
Different strokes for different folksMcWorter2005-06-09 23:02:30
re(3): Label the figure (Solution)McWorter2005-06-09 16:41:00
Solutionre(2): Label the figureBractals2005-06-09 16:17:13
re(2): Label the figure (Solution)Eric2005-06-09 15:58:17
Butterfliesbrianjn2005-06-09 07:14:25
re: Label the figureMcWorter2005-06-09 04:08:10
Some ThoughtsLabel the figureBractals2005-06-09 03:53:13
Some ThoughtsFirst thoughtsTomM2005-06-08 19:41:24
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